chiasmata vs synapsis same thing?

[jp370]

What is the difference between chiasmata and synapsis? do they mean the same thing? im confused

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[joonkimdds]

it's been a long time since i studied the chapter so I might be wrong.
I think synapsis is the entire process of crossover
and
chiasmata is the actual crossover thingE. sorry i think i am wrong.

 

[mddang]

Synapsis is the process.. Chiasmata are the sites of crossing over on the chromatids.

 

[joonkimdds]

Synapsis is the process.. Chiasmata are the sites of crossing over on the chromatids.

I guess I was right then

 

[gkhan]

a chiasm (sp) is a crossing over. EG.
your pituitary is located underneath your supra-optic-chiasm (eye crossing over).
that is why when you have pititutary enlargement it is often accompanied by visual defects/loss. b/c the enlarged pit. is pressing against the optic nerves.

a synapse can also mean a crossing over area. as in neurons => denrite goes to cell body down the axon across the synapse to an effector/another neuron.